If it's not what You are looking for type in the equation solver your own equation and let us solve it.
13=7x+15x
We move all terms to the left:
13-(7x+15x)=0
We add all the numbers together, and all the variables
-(+22x)+13=0
We get rid of parentheses
-22x+13=0
We move all terms containing x to the left, all other terms to the right
-22x=-13
x=-13/-22
x=13/22
| 5=35÷c | | 29.24/3.4*0.045=g | | -2(x-+7)=16 | | 3-2h-9h=-1-9h | | d3=2 | | 8-9y=-17+4y | | 13-7t=9-9t-10 | | 5p-10=3p+2 | | 9-8m=-10m-9 | | -12=z3z= | | -6w=5-w | | (14-2x)/6=6 | | 2(x-6)+3x=x-3(x+1) | | 8r-10=6r+10 | | -4j+6-5j=7j-10 | | 3p+3=p+7 | | 15.3*9.1-4.017=s | | .35x=0 | | -5x+13=3(x-9) | | .10x=10 | | 4(2w+5)=12 | | (2x+27)=x | | 8b=6b+8 | | (x+12)=5X | | 5(v+1)=-2v-9 | | 10-8t=-10t-10 | | -5w=-80w= | | -8-7f=-6-9f | | 3k=2k-8 | | (x+22)=3x | | -4-1/2y=-4 | | 40x+15x=650 |